/Engine/Plugins/Enterprise/DatasmithImporter/Source/DatasmithImporter/Public/UI/DatasmithStyle.h
Adds an icon (.png in the given ResourcePath) with the given style name to this style set
static void SetIcon ( const [FString](API\Runtime\Core\Containers\FString) & StyleName, const [FString](API\Runtime\Core\Containers\FString) & ResourcePath )